208 lines
9.0 KiB
JavaScript
208 lines
9.0 KiB
JavaScript
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/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { context, diag, propagation, trace, } from '@opentelemetry/api';
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import { CompositePropagator, W3CBaggagePropagator, W3CTraceContextPropagator, getEnv, merge, } from '@opentelemetry/core';
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import { Resource } from '@opentelemetry/resources';
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import { Tracer } from '.';
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import { loadDefaultConfig } from './config';
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import { MultiSpanProcessor } from './MultiSpanProcessor';
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import { NoopSpanProcessor } from './export/NoopSpanProcessor';
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import { BatchSpanProcessor } from './platform';
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import { reconfigureLimits } from './utility';
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export var ForceFlushState;
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(function (ForceFlushState) {
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ForceFlushState[ForceFlushState["resolved"] = 0] = "resolved";
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ForceFlushState[ForceFlushState["timeout"] = 1] = "timeout";
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ForceFlushState[ForceFlushState["error"] = 2] = "error";
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ForceFlushState[ForceFlushState["unresolved"] = 3] = "unresolved";
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})(ForceFlushState || (ForceFlushState = {}));
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/**
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* This class represents a basic tracer provider which platform libraries can extend
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*/
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var BasicTracerProvider = /** @class */ (function () {
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function BasicTracerProvider(config) {
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if (config === void 0) { config = {}; }
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var _a;
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this._registeredSpanProcessors = [];
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this._tracers = new Map();
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var mergedConfig = merge({}, loadDefaultConfig(), reconfigureLimits(config));
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this.resource = (_a = mergedConfig.resource) !== null && _a !== void 0 ? _a : Resource.empty();
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this.resource = Resource.default().merge(this.resource);
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this._config = Object.assign({}, mergedConfig, {
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resource: this.resource,
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});
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var defaultExporter = this._buildExporterFromEnv();
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if (defaultExporter !== undefined) {
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var batchProcessor = new BatchSpanProcessor(defaultExporter);
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this.activeSpanProcessor = batchProcessor;
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}
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else {
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this.activeSpanProcessor = new NoopSpanProcessor();
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}
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}
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BasicTracerProvider.prototype.getTracer = function (name, version, options) {
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var key = name + "@" + (version || '') + ":" + ((options === null || options === void 0 ? void 0 : options.schemaUrl) || '');
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if (!this._tracers.has(key)) {
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this._tracers.set(key, new Tracer({ name: name, version: version, schemaUrl: options === null || options === void 0 ? void 0 : options.schemaUrl }, this._config, this));
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}
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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return this._tracers.get(key);
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};
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/**
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* Adds a new {@link SpanProcessor} to this tracer.
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* @param spanProcessor the new SpanProcessor to be added.
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*/
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BasicTracerProvider.prototype.addSpanProcessor = function (spanProcessor) {
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if (this._registeredSpanProcessors.length === 0) {
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// since we might have enabled by default a batchProcessor, we disable it
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// before adding the new one
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this.activeSpanProcessor
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.shutdown()
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.catch(function (err) {
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return diag.error('Error while trying to shutdown current span processor', err);
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});
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}
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this._registeredSpanProcessors.push(spanProcessor);
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this.activeSpanProcessor = new MultiSpanProcessor(this._registeredSpanProcessors);
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};
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BasicTracerProvider.prototype.getActiveSpanProcessor = function () {
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return this.activeSpanProcessor;
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};
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/**
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* Register this TracerProvider for use with the OpenTelemetry API.
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* Undefined values may be replaced with defaults, and
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* null values will be skipped.
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*
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* @param config Configuration object for SDK registration
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*/
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BasicTracerProvider.prototype.register = function (config) {
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if (config === void 0) { config = {}; }
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trace.setGlobalTracerProvider(this);
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if (config.propagator === undefined) {
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config.propagator = this._buildPropagatorFromEnv();
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}
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if (config.contextManager) {
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context.setGlobalContextManager(config.contextManager);
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}
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if (config.propagator) {
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propagation.setGlobalPropagator(config.propagator);
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}
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};
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BasicTracerProvider.prototype.forceFlush = function () {
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var timeout = this._config.forceFlushTimeoutMillis;
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var promises = this._registeredSpanProcessors.map(function (spanProcessor) {
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return new Promise(function (resolve) {
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var state;
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var timeoutInterval = setTimeout(function () {
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resolve(new Error("Span processor did not completed within timeout period of " + timeout + " ms"));
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state = ForceFlushState.timeout;
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}, timeout);
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spanProcessor
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.forceFlush()
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.then(function () {
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clearTimeout(timeoutInterval);
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if (state !== ForceFlushState.timeout) {
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state = ForceFlushState.resolved;
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resolve(state);
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}
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})
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.catch(function (error) {
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clearTimeout(timeoutInterval);
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state = ForceFlushState.error;
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resolve(error);
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});
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});
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});
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return new Promise(function (resolve, reject) {
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Promise.all(promises)
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.then(function (results) {
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var errors = results.filter(function (result) { return result !== ForceFlushState.resolved; });
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if (errors.length > 0) {
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reject(errors);
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}
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else {
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resolve();
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}
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})
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.catch(function (error) { return reject([error]); });
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});
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};
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BasicTracerProvider.prototype.shutdown = function () {
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return this.activeSpanProcessor.shutdown();
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};
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/**
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* TS cannot yet infer the type of this.constructor:
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* https://github.com/Microsoft/TypeScript/issues/3841#issuecomment-337560146
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* There is no need to override either of the getters in your child class.
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* The type of the registered component maps should be the same across all
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* classes in the inheritance tree.
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*/
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BasicTracerProvider.prototype._getPropagator = function (name) {
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var _a;
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return (_a = this.constructor._registeredPropagators.get(name)) === null || _a === void 0 ? void 0 : _a();
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};
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BasicTracerProvider.prototype._getSpanExporter = function (name) {
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var _a;
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return (_a = this.constructor._registeredExporters.get(name)) === null || _a === void 0 ? void 0 : _a();
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};
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BasicTracerProvider.prototype._buildPropagatorFromEnv = function () {
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var _this = this;
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// per spec, propagators from env must be deduplicated
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var uniquePropagatorNames = Array.from(new Set(getEnv().OTEL_PROPAGATORS));
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var propagators = uniquePropagatorNames.map(function (name) {
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var propagator = _this._getPropagator(name);
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if (!propagator) {
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diag.warn("Propagator \"" + name + "\" requested through environment variable is unavailable.");
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}
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return propagator;
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});
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var validPropagators = propagators.reduce(function (list, item) {
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if (item) {
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list.push(item);
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}
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return list;
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}, []);
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if (validPropagators.length === 0) {
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return;
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}
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else if (uniquePropagatorNames.length === 1) {
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return validPropagators[0];
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}
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else {
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return new CompositePropagator({
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propagators: validPropagators,
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});
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}
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};
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BasicTracerProvider.prototype._buildExporterFromEnv = function () {
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var exporterName = getEnv().OTEL_TRACES_EXPORTER;
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if (exporterName === 'none' || exporterName === '')
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return;
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var exporter = this._getSpanExporter(exporterName);
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if (!exporter) {
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diag.error("Exporter \"" + exporterName + "\" requested through environment variable is unavailable.");
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}
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return exporter;
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};
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BasicTracerProvider._registeredPropagators = new Map([
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['tracecontext', function () { return new W3CTraceContextPropagator(); }],
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['baggage', function () { return new W3CBaggagePropagator(); }],
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]);
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BasicTracerProvider._registeredExporters = new Map();
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return BasicTracerProvider;
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}());
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export { BasicTracerProvider };
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//# sourceMappingURL=BasicTracerProvider.js.map
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